What is GHSA-q4j7-v27r-fgcx?

GHSA-q4j7-v27r-fgcx is a security advisory published by GitHub Security Advisories with Critical severity. Prototype Pollution in realms-shim

Which CVE IDs does GHSA-q4j7-v27r-fgcx cover?

GHSA-q4j7-v27r-fgcx covers the following CVE IDs: CVE-2021-23543. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q4j7-v27r-fgcx?

GHSA-q4j7-v27r-fgcx has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

Which products are affected by GHSA-q4j7-v27r-fgcx?

GHSA-q4j7-v27r-fgcx affects 1 product, including: npm/realms-shim:\u003c= 1.2.2.

GHSA-q4j7-v27r-fgcxCriticalCVSS 9.8

Prototype Pollution in realms-shim

Vendor

GitHub Security Advisories

Published

January 13, 2022

Last Modified

February 3, 2023

🔗 CVE IDs covered (1)

CVE-2021-23543 →

📋 Description

All versions of package realms-shim are vulnerable to Sandbox Bypass via a Prototype Pollution attack vector.

🎯 Affected products1

npm/realms-shim:<= 1.2.2

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2021-23543
https://snyk.io/vuln/SNYK-JS-REALMSSHIM-2309908
https://www.npmjs.com/package/realms-shim
https://github.com/advisories/GHSA-q4j7-v27r-fgcx